CATALOGUE. 35 
a single locality at 10,000 feet altitude ; May-September. Varying mucli in 
size and habit with the locality. (141.) 
Viola canadensis, L. From Hudson's Bay to North Carolina, west to 
the Rocky Mountains and New Mexico, (Fendler;) Wasliington T(M-fi<()iy, 
(Douglas.) Rarely collected westward. Found in tlie Walisatch in a single 
locality ; 7,000 feet altitude ; July. (142.) 
Viola Nuttallii, Pursh. Stem short, erect; leaves ovate-laiic(M)late, 
somewhat pubescent or nearly glabrous, nearly entire, atlemuilcd into a long 
petiole; stipules lanceolate, entire or obscurely ciliatc-toothed ; sepals lanceo- 
late, acuminate; flowers small, yellow, the spur very short. — Colorado and on 
the Upper Missouri and Saskatchewan, west to Oregon and Caliloniiii. 
Found in the East Humboldt Mountains, Nevada, and in tlio Walisalcli and 
Uintas; 6-8,000 feet altitude; June, July. Inalltiif sjx'cinnnis the stems 
are very short and mostly decumbent, but a single pedicel equaling tlic 
leaves. (143.) 
Var. PRiEMORSA. (F. prcemorsa, Dougl.) Hirsute or very pubescent; 
leaves repandly denticulate ; stipules often laciniately toothed ; petals more 
or less tinged with brown. On the Pacific Coast from Vancouver to Calil"or- 
nia. In the Washoe Mountains near Carson City ; 5-6,000 ieet altitude ; 
April. (144.) 
Var. VENOSA. A small sub alpine form ; more or less pulx^scent ; leaves 
ovate or sometimes rhomboidal, cordate or truncate at base, conspicuonsly 
purple-nerved; flowers purpHsh-yellow, small. — Low, (2-3' higii,) showing 
the same tendency to the elongation of a single pedicel from f^ar li si em. H 
much resembles K pedunculata, but the flowers are only a third as larire. 
Frequent in the mountains from the West Humboldt in the Wahsateh, nsually 
near the snow-line ; 6-9,000 feet altitude ; May-July. (145.) 
Viola Beckwitiiii, T. & G. Pac. R.R Surv., {BechcUh's Frp..) 2. 1 1 f>, 
1. 1. Subcaulescent ; ascending stems ahbreviafed ; eanhne leaves biteriialely 
or pedately parted, decnrrcnt on the niaririned ])(;tiole. tlie lobes or scLnneiifs 
oblong-linear, hirsute-])nl)ernlent : stij)ules minntr-. searioiis, enl'nv: >e|>a!s 
linear, obtuse, ciholate lower petal l)arel\ ■ a1 the ha-', purple, with 
yellow claws, the two Uj)])er shorter and d^'ep violet.—- Fnliau^e sufncwliaf like 
that of V. delphinifolia, but the primary divisioj) eoiniH)undly divided in a t. r- 
nate or pinnatiscct manner; stem distinct : leaf-lo!)es V ..r in leiiL^th; 
stipules very small and ineons{»ieuo!;v. r\rr\>\ thosr oi' tin- lo\ve>t h-aves ; 
